Maine Senate Fundraising
Incumbent Susan Collins is up for election in Maine's Senate in 2026. This race is rated as . We estimate that $46.56M has been spent on this race over the last two years. Democrats have outspent Republicans by $6.41M over that time period, per our estimates.
Cumulative Spending by Party
Note: Recent data is often incomplete due to lags between spending and disclosure
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Graham Platner
Quarterly Committee Fundraising Amount: $4,355,693% Individual: 97.77%Committee Cash on Hand: $2,180,832 -
Susan M. Collins
Quarterly Committee Fundraising Amount: $1,701,742% Individual: 94.45%Committee Cash on Hand: $9,672,914 -
Janet Trafton Mills
Quarterly Committee Fundraising Amount: $478,454% Individual: 99.96%Committee Cash on Hand: $716,903 -
David Costello
Quarterly Committee Fundraising Amount: $41,717% Individual: 84.07%Committee Cash on Hand: $47,148
Outside Spending
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